.middle {
    width: 1000px;
    height: 600px;
    margin: 50px auto;
    border: 1px solid red;
}

.middle > div:first-child {
    border-bottom: 1px solid red;
    height: 40px;
    color: #e69137;
    font-size: 30px;
    padding: 10px;
}

.middle > div:nth-child(2) > div:first-child {
    display: flex;
    justify-content: center;
}

.middle > div:nth-child(2) > div:first-child > div:first-child > div:first-child {
    display: flex;
    justify-content: center;
    align-items: center;
}

.middle > div:nth-child(2) > div:first-child > div:first-child {
    margin: 50px 0 30px 0;
}

/*我们会做的更好!*/
.middle > div:nth-child(2) > div:first-child > div:first-child > div:first-child > div:first-child {
    color: #e69137;
    font-size: 30px;
}

.middle > div:nth-child(2) > div:first-child > div:first-child > div:first-child > div:nth-child(2) {
    color: #a0acac;
}

/*------------------------form表单------------------------*/
.middle > div:nth-child(2) > div:nth-child(2) input[type=text] {
    width: 500px;
    height: 40px;
    font-size: 30px;
    padding: 0 10px;
    border: 1px dashed #a0acac;
    background-color: rgb(238,238,238);
}

.middle > div:nth-child(2) > div:nth-child(2) textarea {
    width: 500px;
    height: 120px;
    font-size: 30px;
    padding: 0 10px;
    border: 1px dashed #a0acac;
    background-color: rgb(238,238,238);
}

.middle > div:nth-child(2) > div:nth-child(2) {
    display: flex;
    justify-content: center;
}
.middle > div:nth-child(2) > div:nth-child(2) input[type=button] {
    width: 100px;
    height: 30px;
    background-color: #e69137;
    box-shadow: none;
    /*outline-style: none;*/
    outline: none;
}
.middle > div:nth-child(2) > div:nth-child(2)>div:first-child>div:last-child{
    display: flex;
    justify-content: center;
    margin: 20px 0;
    color: white;
}